19103886248 has 8 divisors (see below), whose sum is σ = 35819786730. Its totient is φ = 9551943120.

The previous prime is 19103886233. The next prime is 19103886293. The reversal of 19103886248 is 84268830191.

It can be written as a sum of positive squares in only one way, i.e., 17876224804 + 1227661444 = 133702^2 + 35038^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 19103886196 and 19103886205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1193992883 + ... + 1193992898.

Almost surely, 2^19103886248 is an apocalyptic number.

It is an amenable number.

19103886248 is a deficient number, since it is larger than the sum of its proper divisors (16715900482).

19103886248 is a wasteful number, since it uses less digits than its factorization.

19103886248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2387985787 (or 2387985783 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 50.

The spelling of 19103886248 in words is "nineteen billion, one hundred three million, eight hundred eighty-six thousand, two hundred forty-eight".